How many times can God break the contract?

How many times can Tianda breach the contract as follows? There is no specific rule on how many times it can be violated. But from the professional ethics, it is best not to break the contract. It doesn't matter much if you can't go to the personnel department in advance if there are special things. However, if you often break the contract, it means that your trustworthiness is very poor. If you are "famous" in a certain industry or place, it will directly lead to the company not recruiting you, which will have a great impact on your career.